From: Ville Syrjälä Date: Thu, 19 Mar 2015 15:57:14 +0000 (+0200) Subject: drm/i915: Fix SKL sprite disable double buffer register update X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=2ddc1dad393d39ee6218e545e37e57f3a9dc050f;p=linux-beck.git drm/i915: Fix SKL sprite disable double buffer register update Write the PLANE_SURF register instead of PLANE_CTL to arm the double buffer regisrter update. Signed-off-by: Ville Syrjälä Signed-off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c index a4c9c66d7e79..0f00209bb220 100644 --- a/drivers/gpu/drm/i915/intel_sprite.c +++ b/drivers/gpu/drm/i915/intel_sprite.c @@ -301,8 +301,8 @@ skl_disable_plane(struct drm_plane *drm_plane, struct drm_crtc *crtc) I915_WRITE(PLANE_CTL(pipe, plane), 0); /* Activate double buffered register update */ - I915_WRITE(PLANE_CTL(pipe, plane), 0); - POSTING_READ(PLANE_CTL(pipe, plane)); + I915_WRITE(PLANE_SURF(pipe, plane), 0); + POSTING_READ(PLANE_SURF(pipe, plane)); intel_update_sprite_watermarks(drm_plane, crtc, 0, 0, 0, false, false); }